①Seyeon Oh,et al. Poly-D,L-Lactic Acid Stimulates Angiogenesis and Collagen Synthesis in Aged Animal Skin. Int. J. Mol. Sci. 2023, 24(9), 7986.
②Suk Bae Seo M.D,et al. Skin rejuvenation effect of the combined PDLLA and non cross-linked hyaluronic acid: A preliminary study.J Cosmet Dermatol. 2023;00:1–9.
③Seyeon Oh,et al. Poly-D,L-Lactic Acid Filler Increases Extracellular Matrix by Modulating Macrophages and Adipose-Derived Stem Cells in Aged Animal Skin. Antioxidants 2023, 12(6), 1204.
Hyeong JH et al(2022). Intradermal Injection of Poly-D, L-Lactic Acid Using
Microneedle Fractional Radiofrequency for Acne Scars:An Open-Label Prospective Trial, DERMATOLOGIC SURGERY December 2022,Volume 48-12